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been detected.
One high-tech answer is the use of aerial photographic techniques developed by EPA to identify and document septic system performance.
A flyover with photographic imaging equipment using color and infrared color film, when leaves sire off the trees and seasonal high-water table conditions prevail, can detect vegetative growth-stress-death patterns.
Proper analysis can pick out a failed or failing septic system. This is a costly approach.
Another universal technique is a complaint by someone about a homeowner's failing onsite sewage disposal system that is backing up in a house, or is discharging untreated or partially treated effluent on the ground surface, into surface waters, or into
94.1%